Re: how many win64?

They have different instruction sets, so require you compile the driver with
a different compiler. For a well written driver, there should be no
difference, once it works on one architecture, it should work on the next.
Of course supporting the different architectures is a good test of how well
written your driver is!


--
Don Burn (MVP, Windows DDK)
Windows 2k/XP/2k3 Filesystem and Driver Consulting
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"ma" <ma@xxxxxxxxxxx> wrote in message
news:eIfMY$PQFHA.1096@xxxxxxxxxxxxxxxxxxxxxxx
Thanks for your reply.

What is the difference between these two architectures?

Is the window on these two platform works differently? (From the device
driver point of view)



Best regards



"Don Burn" <burn@xxxxxxxxxxxxxxxx> wrote in message
news:LVu7e.11815$_63.10809@xxxxxxxxxxx
Yes, Windows supports the extended x86 architecture for 64 bits and
Itanium. This is just like in the past when there were multiple 32-bit
versions (x86, Mips, Power PC, Alpha).


--
Don Burn (MVP, Windows DDK)
Windows 2k/XP/2k3 Filesystem and Driver Consulting
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"ma" <ma@xxxxxxxxxxx> wrote in message
news:OADOzRPQFHA.2788@xxxxxxxxxxxxxxxxxxxxxxx
Hello,

I searched around to find information about windows 64 and came
across some definitions which struck me that there is more than one
window 64. Am I correct?



Here is a section that I found in a web site:



Win64 AMD64/EM64T Unicode (Windows XP/2003 x64 Edition)

Win64 IA64 Unicode (Windows XP/2003 64-bit Edition)





Best regards










.

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